WASHINGTON, DC – MARCH 14: Samantha Cameron, First lady Michelle Obama, British Prime Minister David Cameron, and U.S. President Barack Obama pose for photographs on the North Portico of the White House before attending a state dinner March 14, 2012 in Washington, DC. Earlier in the day, Prime Minter Cameron participated in a joint press conference with President Obama, topics included Afghanistan, Syria and Iran. (Photo by Mark Wilson/Getty Images)